Dual shower head



FIG. 1 is a perspective view of a dual shower head showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a left side elevational view thereof, the right side being a mirror image of the left side shown;

FIG. 4 is a top plan view thereof; and

FIG. 5 is a front elevational view thereof. 

The ornamental design for a dual shower head, as shown or described. 